mystring = "abcdefghijklmnopqrstuvwxyz"
mystring[0]
# 'a'
mystring[-1]
# 'z'
mystring[1:5]
# 'bcde'mystring = "hELLO you"
mystring.upper()
# 'HELLO YOU'
mystring.lower()
# 'hello you'
mystring.capitalize()
# 'Hello you'
mystring.isdigit()
# False
mystring.split()
# ['hELLO', 'you']
mystring.split("LL")
# ['hE', 'O you']
mystring.strip("h")
# 'ELLO you''abc' in 'abcdefghijklmnopqrstuvwxyz'
# True
'ABC' not in 'abcdefghijklmnopqrstuvwxyz'
# True